Emulation of LocalFileSystem with virtual COM.

Dependencies:   USBDevice

Dependents:   KL46Z-lpc81isp lpcterm2

#include "USBLocalFileSystem.h"

int main() {
    USBLocalFileSystem* usb_local = new USBLocalFileSystem(); // RamDisk(64KB)

    while(1) {
        usb_local->lock(true);
        usb_local->remount();
        char filename[32];
        if (usb_local->find(filename, sizeof(filename), "*.TXT")) {
            FILE* fp = fopen(filename, "r");
            if (fp) {
                int c;
                while((c = fgetc(fp)) != EOF) {
                    usb_local->putc(c);
                }
                fclose(fp);
            }
        }    
        usb_local->lock(false);

        wait_ms(1000*5);
    }
}



Sample application:

Import programKL46Z-lpc81isp

ISP example program.

Import programlpcterm2

semihost server example program

USBMSD2/USB_HID.h

Committer:
va009039
Date:
2014-06-21
Revision:
6:528036abfb02
Parent:
0:39eb4d5b97df

File content as of revision 6:528036abfb02:

/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

#pragma once

#include "USBHID_Types.h"
#include "USBDevice.h"

#define HID_EPINT_IN   EP4IN
#define HID_EPINT_OUT  EP4OUT

/** USB HID device for CMSIS-DAP
 */
class USB_HID {
public:

    /**
    * Constructor
    *
    * @param output_report_length Maximum length of a sent report (up to 64 bytes) (default: 64 bytes)
    * @param input_report_length Maximum length of a received report (up to 64 bytes) (default: 64 bytes)
    */
    USB_HID(USBDevice* device, uint8_t output_report_length = 64, uint8_t input_report_length = 64);


    /**
    * Send a Report. warning: blocking
    *
    * @param report Report which will be sent (a report is defined by all data and the length)
    * @returns true if successful
    */
    bool send(HID_REPORT *report);
    
    
    /**
    * Send a Report. warning: non blocking
    *
    * @param report Report which will be sent (a report is defined by all data and the length)
    * @returns true if successful
    */
    bool sendNB(HID_REPORT *report);
    
    /**
    * Read a report: blocking
    *
    * @param report pointer to the report to fill
    * @returns true if successful
    */
    bool read(HID_REPORT * report);
    
    /**
    * Read a report: non blocking
    *
    * @param report pointer to the report to fill
    * @returns true if successful
    */
    bool readNB(HID_REPORT * report);

    /*
    * Get the length of the report descriptor
    *
    * @returns the length of the report descriptor
    */
    virtual uint16_t reportDescLength();

    bool Request_callback(CONTROL_TRANSFER* transfer, uint8_t* hidDescriptor);
protected:
    /*
    * Get the Report descriptor
    *
    * @returns pointer to the report descriptor
    */
    virtual uint8_t * reportDesc();

    uint16_t reportLength;

private:
    USBDevice* _device;
    HID_REPORT outputReport;
    uint8_t output_length;
    uint8_t input_length;
};